From patchwork Fri Jun 30 18:19:35 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jan Blunck X-Patchwork-Id: 26140 X-Patchwork-Delegate: thomas@monjalon.net Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [IPv6:::1]) by dpdk.org (Postfix) with ESMTP id CC8EE7CBA; Fri, 30 Jun 2017 20:20:19 +0200 (CEST) Received: from mail-wm0-f68.google.com (mail-wm0-f68.google.com [74.125.82.68]) by dpdk.org (Postfix) with ESMTP id 66F9437A6 for ; Fri, 30 Jun 2017 20:20:08 +0200 (CEST) Received: by mail-wm0-f68.google.com with SMTP id u23so9331539wma.2 for ; Fri, 30 Jun 2017 11:20:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:from:to:cc:subject:date:message-id:in-reply-to:references; bh=cn/+KPXtP9puYuDhbASHM/xUE4CFH02Ry/E38rhEmaA=; b=fUj+1PHahPOBqkw/Em7XnSl9wTkLzKZ+xJY0Kz3GPoETVyVb/zMlvs4OTo4MJe/uYq u4z++hjAhZYPUC+igmJcKs/YFd43GRyJA6PvfbUsasKW18gaD0yjhmSSM/g/QDTHcZb0 0GYOq0xmyWj+Uq7N+lWBUrKe/fFMSh8GJc5G4c8EfYep+cmR9NOC6x7QmwXql2+gCtPR krb+/b0rlVcmLwG37lpnEAWAgrmBVUscZBNKqbUMDYJST1AJPDJHq4grPjCpREXoRtNh ib3qACGj2YHTGIVTAOdAZWF4mKxHdeezfwEywyfRRjOFNSWYNe80trWJ3VRwkE+81+6G 19Dg== X-Google-DKIM-Signature: v=1; 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+ rte_bus_find_by_device; } DPDK_17.05; diff --git a/lib/librte_eal/common/eal_common_bus.c b/lib/librte_eal/common/eal_common_bus.c index 3094daa..5d06f5d 100644 --- a/lib/librte_eal/common/eal_common_bus.c +++ b/lib/librte_eal/common/eal_common_bus.c @@ -164,3 +164,26 @@ rte_bus_find(const struct rte_bus *start, rte_bus_cmp_t cmp, } return bus; } + +static int +cmp_rte_device(const struct rte_device *dev1, const void *_dev2) +{ + const struct rte_device *dev2 = _dev2; + + return dev1 != dev2; +} + +static int +bus_find_device(const struct rte_bus *bus, const void *_dev) +{ + struct rte_device *dev; + + dev = bus->find_device(NULL, cmp_rte_device, _dev); + return dev == NULL; +} + +struct rte_bus * +rte_bus_find_by_device(const struct rte_device *dev) +{ + return rte_bus_find(NULL, bus_find_device, (const void *)dev); +} diff --git a/lib/librte_eal/common/include/rte_bus.h b/lib/librte_eal/common/include/rte_bus.h index 052ac8d..f8b3215 100644 --- a/lib/librte_eal/common/include/rte_bus.h +++ b/lib/librte_eal/common/include/rte_bus.h @@ -210,6 +210,11 @@ struct rte_bus *rte_bus_find(const struct rte_bus *start, rte_bus_cmp_t cmp, const void *data); /** + * Find the registered bus for a particular device. + */ +struct rte_bus *rte_bus_find_by_device(const struct rte_device *dev); + +/** * Helper for Bus registration. * The constructor has higher priority than PMD constructors. */ diff --git a/lib/librte_eal/linuxapp/eal/rte_eal_version.map b/lib/librte_eal/linuxapp/eal/rte_eal_version.map index 944416e..3c193e4 100644 --- a/lib/librte_eal/linuxapp/eal/rte_eal_version.map +++ b/lib/librte_eal/linuxapp/eal/rte_eal_version.map @@ -203,5 +203,6 @@ DPDK_17.08 { global: rte_bus_find; + rte_bus_find_by_device; } DPDK_17.05;